Sapphire Sapphire gets its name from the Greek word "Sapphirus" which means blue and is a member of the corundum family along with Ruby. It comes in a variety of colours including blue, pink, orange, yellow, green, purple, black, and colourless. Historically only the blue variety was called Sapphire. With the green variety being [...]
Ruby Ruby is a member of the corundum family of gemstones. There are two gemstones in the corundum family, Ruby and Sapphire. Low-quality corundum gemstones are typically used as cutting and polishing agents. The best known of these would be emery paper, which is mostly fine-grain corundum with the addition of magnetite, hematite, and [...]
Emerald The gemstone Emerald belongs to the beryl group and is the most precious variety of beryl. The other varieties of beryl are Aquamarine, Morganite, Red and Green beryl, Heliodor, Maxixe, and Goshenite. Emerald derives its colour from the element chrome, while green beryl is coloured by vanadium. The colouring agent chrome is oftentimes [...]